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LABORATORYRULES
Throughout the lesson
·Do not enter the science lab without the teacher’s permission.·No food or drinks are to be alowed in the science lab.
Before the Experiment
·Read al instructions carefuly before every experiment.
·Prepare al apparatus（仪器）and arrange them so that you wil not knock them over while doing the experiment.
During the Experiment
·If you are unsure of how to use any apparatus or how to operate, ask your teacher for help.·Never smel or taste chemicals unless your teacher gives permission.
After the Experiment
·Wash al apparatus after use and return them to the places where they were.
·Throw waste materials in proper waste baskets. First Aid
·Report al accidents to your teacher immediately.
·If you spil（ 溅 出 ）any chemicals onto your body or clothing, wash with plenty of water and report to your teacher.
【小题1】 Your teacher wil probably tel you the rules above _____ the first lab lesson.
| A．before | B．since | C．during | D．after |
| A．taste the chemicals first |
| B．clean al the apparatus |
| C．read al instructions carefuly |
| D．report al the accidents to the teacher |
A. try them on your own
B. read the rules carefuly
C. ask your teacher for help
d. put them back
【小题4】 It is clear that you can _____.
| A．bring food into the lab | |
| B．enter the lab anytime | |
| C．smel chemicals as you like | D．learn science directly in the lab |
| A．Before the Experiment |
| B．First Aid |
| C．During the Experiment |
| D．After the Experiment |
- Chinese tennis player Li Na won a championship again!
- Yeah, I watched the game and my spirits _____ at the news.
A. rose B. calmed C. turned D. shook
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先阅读短文，然后用下面方框中所给的单词或短语填空，使全文在逻辑上正确。（提示：选项中有一个是多余的。）
go back / mad / need / mind / hurry up / polite
We asked some people what annoyed them. Here’s what they said:
I don’t like waiting in line when a shop assistant has a long telephone conversation. When that happens, I usualy say, “Would you 【小题1】 helping me?”And I don’t like it when shop assistants folow me around. Then I say, “Could you please no folow me around? I’l ask you if I 【小题2】 some help.”Usualy the shop assistants say they are sorry, but sometimes they get 【小题3】. If that happens, I won’t 【小题4】 to that store again.
I get annoyed when someone talks to me while I’m reading. This happens to me al the time in the school library. When it happens, I usualy talk to the person because I want to be 【小题5】. But because I’m polite, people don’t know I’m annoyed. So they do the same thing again. Perhaps in the future I should try not to be so annoyed.
The worst traveler in the world was Paul of San Francisco. Once he f____【小题1】 from the U.S. to his hometown in Italy to see someone at home. The plane made a one-hour stop to get oil at an airport in New York. Paul thought he was in Rome. C____【小题2】, he got off the plane.
When nobody was there to meet him, Paul thought maybe the heavy t____【小题3】 made his friends late. While looking for their address, Paul found that the old “Rome”had changed a lot. He found many high m____【小题4】 buildings instead of old ones. He also found that many people spoke English but not Italian and that many street signs were w____ 【小题5】 in English.
Paul knew very l____【小题6】 English. So he asked a policeman in Italian the way to the bus station. He happened to meet a policeman who was also born in Italy and answered in the same l____【小题7】.
After twelve hours’ traveling round on a bus, the driver handed him over to a____【小题8】 policeman. But this time, this policeman could only speak English. So paul asked the policeman why the Rome police employed（雇佣）so many people who spoke English as policemen.
Paul didn’t b____【小题9】 he was in New York when he was told so. To get him on a plane to Italy, he was s____【小题10】 to the airport in a police car. 查看习题详情和答案>>
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